60 lines
2.1 KiB
TypeScript
60 lines
2.1 KiB
TypeScript
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/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {StaticSymbol} from '../aot/static_symbol';
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import {CompileShallowModuleMetadata, identifierName} from '../compile_metadata';
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import {InjectableCompiler} from '../injectable_compiler';
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import {mapLiteral} from '../output/map_util';
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import * as o from '../output/output_ast';
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import {OutputContext} from '../util';
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import {Identifiers as R3} from './r3_identifiers';
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const EMPTY_ARRAY = o.literalArr([]);
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function convertMetaToOutput(meta: any, ctx: OutputContext): o.Expression {
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if (Array.isArray(meta)) {
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return o.literalArr(meta.map(entry => convertMetaToOutput(entry, ctx)));
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} else if (meta instanceof StaticSymbol) {
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return ctx.importExpr(meta);
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} else if (meta == null) {
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return o.literal(meta);
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} else {
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throw new Error(`Internal error: Unsupported or unknown metadata: ${meta}`);
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}
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}
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export function compileNgModule(
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ctx: OutputContext, ngModule: CompileShallowModuleMetadata,
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injectableCompiler: InjectableCompiler): void {
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const className = identifierName(ngModule.type) !;
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const rawImports = ngModule.rawImports ? [ngModule.rawImports] : [];
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const rawExports = ngModule.rawExports ? [ngModule.rawExports] : [];
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const injectorDefArg = mapLiteral({
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'factory':
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injectableCompiler.factoryFor({type: ngModule.type, symbol: ngModule.type.reference}, ctx),
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'providers': convertMetaToOutput(ngModule.rawProviders, ctx),
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'imports': convertMetaToOutput([...rawImports, ...rawExports], ctx),
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});
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const injectorDef = o.importExpr(R3.defineInjector).callFn([injectorDefArg]);
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ctx.statements.push(new o.ClassStmt(
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/* name */ className,
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/* parent */ null,
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/* fields */[new o.ClassField(
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/* name */ 'ngInjectorDef',
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/* type */ o.INFERRED_TYPE,
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/* modifiers */[o.StmtModifier.Static],
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/* initializer */ injectorDef, )],
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/* getters */[],
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/* constructorMethod */ new o.ClassMethod(null, [], []),
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/* methods */[]));
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}
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